493809232561 has 8 divisors (see below), whose sum is σ = 497430305064. Its totient is φ = 490188401280.

The previous prime is 493809232547. The next prime is 493809232619. The reversal of 493809232561 is 165232908394.

It can be written as a sum of positive squares in 4 ways, for example, as 136496997025 + 357312235536 = 369455^2 + 597756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 493809232561 - 2¹¹ = 493809230513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493809232499 and 493809232508.

It is not an unprimeable number, because it can be changed into a prime (493809232061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548051 + ... + 7613191.

It is an arithmetic number, because the mean of its divisors is an integer number (62178788133).

Almost surely, 2^493809232561 is an apocalyptic number.

It is an amenable number.

493809232561 is a deficient number, since it is larger than the sum of its proper divisors (3621072503).

493809232561 is a wasteful number, since it uses less digits than its factorization.

493809232561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120611.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 493809232561 in words is "four hundred ninety-three billion, eight hundred nine million, two hundred thirty-two thousand, five hundred sixty-one".